<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=891952
-->
<head>
  <meta charset="utf-8">
  <title>Test for Bug 891952</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <script type="application/javascript">

  /** Test for Bug 891952 **/
    SimpleTest.waitForExplicitFinish();
    addLoadEvent(function() {
      var all = document.all;
      is(all["content"], $("content"), "Should find the content");
      ok(!("" in all), "Should not have an empty string prop on document.all");
      is(all[""], undefined, "Should not get empty string on document.all");
      is(all.namedItem(""), null,
         "namedItem for empty string should return null on document.all");

      var divs = document.getElementsByTagName("div");
      ok(!("" in divs), "Should not have an empty string prop on getElementsByTagName");
      is(divs[""], undefined, "Should not get empty string on getElementsByTagName");
      is(divs.namedItem(""), null,
         "namedItem for empty string should return null on getElementsByTagName");
      var forms = document.forms;
      ok(!("" in forms), "Should not have an empty string prop on document.forms");
      is(forms[""], undefined, "Should not get empty string on document.forms");
      is(forms.namedItem(""), null,
         "namedItem for empty string should return null on document.forms");

      var form = $("form");
      ok(!("" in form), "Should not have an empty string prop on form");
      is(form[""], undefined, "Should not get empty string on form");

      var formEls = $("form").elements;
      ok(!("" in formEls), "Should not have an empty string prop on form.elements");
      is(formEls[""], undefined, "Should not get empty string on form.elements");
      is(formEls.namedItem(""), null,
         "namedItem for empty string should return null on form.elements");
      SimpleTest.finish();
    });

  </script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=891952">Mozilla Bug 891952</a>
<p id="display"></p>
<div id="content" style="display: none">
  <div id=""></div>
  <div name=""></div>
  <form id="form" name="">
    <input name="">
  </form>
</div>
<pre id="test">
</pre>
</body>
</html>
